What is a normal blood glucose level?

Normal or usual plasma blood glucose (sugar) levels range depending on the time of day, meals, and other factors. Using a chart like the one below can help you and your healthcare provider develop a program of regular blood glucose monitoring for diabetes management.
Time of Check
Goal glucose ranges for people without diabetes
Goal glucose ranges for people with diabetes
Before breakfast (fasting)
< 5.6
3.9 – 7.2
Before lunch, supper and snack
< 6.1
3.9 – 7.2
Two hours after meals
< 7.8
< 10
Bedtime
< 6.7
5 – 8.3
A1C (also called glycosylated hemoglobin A1c, HbA1c or glycohemoglobin A1c)
< 5.5%
< 7%
Source: https://www.joslin.org/patient-care/diabetes-education/diabetes-learning-center/goals-glucose-control

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